/*
 *
 * Paros and its related class files.
 * 
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2004 Chinotec Technologies Company
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * Clarified Artistic License for more details.
 * 
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.parosproxy.paros.extension.filter;

import java.util.regex.Matcher;

import org.parosproxy.paros.network.HttpMessage;

/**
 * 
 * To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Generation - Code and Comments
 */
public class FilterReplaceResponseBody extends FilterAbstractReplace {

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.proofsecure.paros.extension.filter.FilterAdaptor#getId()
	 */
	public int getId() {
		return 80;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.proofsecure.paros.extension.filter.FilterAdaptor#getName()
	 */
	public String getName() {
		return "Replace HTTP response body using defined pattern.";
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.proofsecure.paros.extension.filter.FilterAdaptor#onHttpRequestSend
	 * (com.proofsecure.paros.network.HttpMessage)
	 */
	public void onHttpRequestSend(HttpMessage httpMessage) {

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.proofsecure.paros.extension.filter.FilterAdaptor#onHttpResponseReceive
	 * (com.proofsecure.paros.network.HttpMessage)
	 */
	public void onHttpResponseReceive(HttpMessage msg) {
		if (getPattern() == null) {
			return;
		} else if (msg.getResponseHeader().isEmpty()
				|| msg.getResponseHeader().isImage()
				|| msg.getResponseBody().length() == 0) {
			return;
		}

		Matcher matcher = getPattern()
				.matcher(msg.getResponseBody().toString());
		String result = matcher.replaceAll(getReplaceText());
		msg.getResponseBody().setBody(result);
		msg.getResponseHeader()
				.setContentLength(msg.getResponseBody().length());

	}

}
